ATMEGA169A-AU vs ATMEGA329A-AU Comparison
Detailed side-by-side comparison of ATMEGA169A-AU by Microchip Technology and ATMEGA329A-AU by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Microchip Technology
ATMEGA169A-AU - 8-bit AVR MCU 16MHz 16KB Flash TQFP-64 | Microchip
ATMEGA169A-AU ✓ ActiveMicrochip Technology
ATMEGA329A-AU - 32KB AVR MCU, 20MHz, TQFP-64 | Microchip
ATMEGA329A-AU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA169A-AU | ATMEGA329A-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.98 | $3.31 |
| Core | AVR 8-bit RISC | — |
| CPU Speed | 16 MHz (16 MIPS peak) | — |
| Flash Memory | 16 KB (8K x 16) ISP with read-while-write | 32 KB ISP Flash (16K x 16) with read-while-write |
| EEPROM | 512 B | 1 KB |
| SRAM | 1 KB | 2 KB |
| Supply Voltage Range | 2.7 V to 5.5 V | 2.5 V to 5.5 V (per ATmega329A family; see datasheet) |
| General Purpose I/O | 54 (TQFP-64 variant) | 54 lines |
| Instruction Set | 133 instructions, most single-cycle | — |
| Working Registers | 32 x 8-bit general purpose | 32 general purpose |
| Timers | Two 8-bit, one 16-bit, watchdog timer | Three flexible timers |
| ADC | 10-bit, 8 channels | — |
| LCD Controller | Segment LCD driver (up to 25 segments x 4 commons) | On-chip LCD controller with internal contrast control |
| Communication Interfaces | USART, SPI, TWI (I2C) | — |
| Debug / Boundary Scan | JTAG (IEEE 1149.1), on-chip debug | — |
| Package | 64-TQFP, 14 x 14 mm, 1 mm height | 64-TQFP (14x14 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (industrial) | — |
| Lifecycle Status | Active | — |
| Core Architecture | — | 8-bit AVR RISC |
| Maximum Clock Frequency | — | 20 MHz |
| Debug/Programming Interface | — | JTAG (boundary-scan, on-chip debug, ISP programming) |
| Temperature Grade | — | Industrial |
| RoHS Status | — | Green (compliant) |
| Product Family | — | AVR ATmega |